Chapter6_Func_Ex1

import java.util.Scanner;
/*
    =====================================================
                   chapter 6: Functions

      Ex1:
    =====================================================
*/

public class MyProgram {

    public static int incDigits(int num){
        String result="";


        while(num>0){
            if(num%10!=9)
                result=((num%10)+1)+result;
            else
                result="0"+result;

            num/=10;
        }
        return Integer.parseInt(result);

    }
    public static void main(String[] args) {
        int num;
        int res;
        Scanner s=new Scanner(System.in);

        System.out.println("Enter a number: ");
        num=s.nextInt();
        res=incDigits(num);
        System.out.println("number: "+ num+"\t\tnew number: "+res);
    }
}